India Post — 4 parcels not reached after two weeks

4 parcels sent from ashok nagar post office chennai 600083 to valapad, post office thrissur district, kerala 680567 has not reached. Ct[protected]in, ct[protected]in send on 29/08/2018.
Ct[protected]in, ct05423296in send on 30/08/2018. Not able to track these consignments. Parcels were sent by gopikrishna warrier, f 10, mohana apartments, 96, arcot road virugambakkam chennai 600083 to rajeswary warrier, kongattil house, poly junction, triprayar, valapad post 680567. Complaints registered also not able to track.